274492973 has 4 divisors (see below), whose sum is σ = 281911740. Its totient is φ = 267074208.

The previous prime is 274492969. The next prime is 274492987. The reversal of 274492973 is 379294472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156075049 + 118417924 = 12493^2 + 10882^2 .

It is a cyclic number.

It is not a de Polignac number, because 274492973 - 2² = 274492969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274492913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3709328 + ... + 3709401.

It is an arithmetic number, because the mean of its divisors is an integer number (70477935).

Almost surely, 2^274492973 is an apocalyptic number.

It is an amenable number.

274492973 is a deficient number, since it is larger than the sum of its proper divisors (7418767).

274492973 is an equidigital number, since it uses as much as digits as its factorization.

274492973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7418766.

The product of its digits is 762048, while the sum is 47.

The square root of 274492973 is about 16567.8294595279. The cubic root of 274492973 is about 649.8958199896.

The spelling of 274492973 in words is "two hundred seventy-four million, four hundred ninety-two thousand, nine hundred seventy-three".